肺癌组织和患者体液中P_(21)^(ras)表达的初步研究

A Study on P_(12)^(ras) in Human Lung Cancer and Body Fluid of Cancer Patients

作者首次利用水平式板状凝胶电泳分离蛋白质,不经过Western转移电泳,直接用抗P^(ras)_(21)单克隆抗体在凝胶上进行酶联免疫分析,研究了人肺癌组织及患者体液中P^(ras)_(21)的表达情况。9例肺癌中8例有P^(ras)_(21)表达,其中4例明显高于正常肺;18例肺癌患者血清和2例胸水中没有检查到P^(ras)_(21)。

The McAb of anti-P_(12)^(ras) hasbeen used to screen 9 cases of human lungcancer tissues, 18 cases of samples and 2cases of hydrothorax samples of lung can-cer patients by means of PAGE-immuno-blots. The expression of ras gene wasfoundin 8 cases of human lung cancer amongwhich the expression of 4 cases was higherthan that of normal control. P_(12)^(ras) has not beendetected in serum and hydrothorax samplesof cancer patients. The present study indi-cated that there was P_(12)^(ras) in human lungcancer and normal control and the expres-sion level of ras gene in lung cancer wasrelated to the differentiation of cancer.